\name{abs_r}
\alias{abs_r}
%- Also NEED an '\alias' for EACH other topic documented here.
\title{Size function for polynomials}
\description{
L1 norm of a polynomial regarded as a sequence of numbers.}
\usage{
abs_r(p)
}
%- maybe also 'usage' for other objects documented here.
\arguments{
  \item{p}{
A polynomial.}
}
\details{
%%  ~~ If necessary, more details than the description above ~~
}
\value{
A scalar that is the maximum of the modulus of the coefficients of \code{p}.
}
\references{
%% ~put references to the literature/web site here ~
}
\author{
Ignacio Arbues}
\note{
%%  ~~further notes~~
}

%% ~Make other sections like Warning with \section{Warning }{....} ~

\seealso{
%% ~~objects to See Also as \code{\link{help}}, ~~~
}
\examples{
##---- Should be DIRECTLY executable !! ----
##-- ==>  Define data, use random,
##--	or do  help(data=index)  for the standard data sets.

## The function is currently defined as
function (p) 
{
    return(max(abs(as.vector(p))))
  }
}
% Add one or more standard keywords, see file 'KEYWORDS' in the
% R documentation directory.
\keyword{ ~kwd1 }
\keyword{ ~kwd2 }% __ONLY ONE__ keyword per line
